In a Cartesian plane, the graph of $x=0$ is $\ldots \ldots \ldots$
$y$ -axis
Graph of equation $0 x+3 y=21,$ is perpendicular to which axis ?
The work done by a body on application of a constant force is the product of the constant force and the distance travelled by the body in the direction of force. Express this in the form of a linear equation in two variables and draw its graph by taking the constant force as $3$ units. What is the work done when the distance travelled is $2$ units. Verify it by plotting the graph.
Write whether the following statements are True or False? Justify your answers:
The point $(0,3)$ lies on the graph of the linear equation $3 x+4 y=12$.
If $(5,2)$ is one of the solutions of equation $x+3 y=k,$ then $k=\ldots \ldots \ldots$
The point of the form $(a, a)$ always lies on:
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